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. 2016 Nov 21;7:197. doi: 10.3389/fneur.2016.00197

Figure 3.

Figure 3

Effect of number of optimal wavelet basis on the channel selection performance from Subject 2. The three-dimensional x, y, and z coordinate axes stand for number of channels, number of features, and error classification rates evaluated by LDC classifier. The number of optimal wavelet basis can be determined based on features first reaching the minimum error rate and the trade-off of computational cost and classification performance.